configure

   1 #!/bin/sh
   2 #
   3 # FFmpeg configure script
   4 #
   5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
   6 # Copyright (c) 2005-2006 Diego Biurrun
   7 # Copyright (c) 2005-2006 Mans Rullgard
   8 #
   9
  10 # make sure we are running under a compatible shell
  11 # try to make this part work with most shells
  12
  13 try_exec(){
  14     echo "Trying shell $1"
  15     type "$1" >/dev/null 2>&1 && exec "$@"
  16 }
  17
  18 unset foo
  19 (: ${foo%%bar}) 2>/dev/null
  20 E1="$?"
  21
  22 (: ${foo?}) 2>/dev/null
  23 E2="$?"
  24
  25 if test "$E1" != 0 || test "$E2" = 0; then
  26     echo "Broken shell detected.  Trying alternatives."
  27     export FF_CONF_EXEC
  28     if test "0$FF_CONF_EXEC" -lt 1; then
  29         FF_CONF_EXEC=1
  30         try_exec bash "$0" "$@"
  31     fi
  32     if test "0$FF_CONF_EXEC" -lt 2; then
  33         FF_CONF_EXEC=2
  34         try_exec ksh "$0" "$@"
  35     fi
  36     if test "0$FF_CONF_EXEC" -lt 3; then
  37         FF_CONF_EXEC=3
  38         try_exec /usr/xpg4/bin/sh "$0" "$@"
  39     fi
  40     echo "No compatible shell script interpreter found."
  41     echo "This configure script requires a POSIX-compatible shell"
  42     echo "such as bash or ksh."
  43     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  44     echo "Instead, install a working POSIX-compatible shell."
  45     echo "Disabling this configure test will create a broken FFmpeg."
  46     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  47         echo "This bash version ($BASH_VERSION) is broken on your platform."
  48         echo "Upgrade to a later version if available."
  49     fi
  50     exit 1
  51 fi
  52
  53 show_help(){
  54   echo "Usage: configure [options]"
  55   echo "Options: [defaults in brackets after descriptions]"
  56   echo
  57   echo "Standard options:"
  58   echo "  --help                   print this message"
  59   echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  60   echo "  --disable-logging        do not log configure debug information"
  61   echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
  62   echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  63   echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  64   echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
  65   echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  66   echo "  --enable-static          build static libraries [default=yes]"
  67   echo "  --disable-static         do not build static libraries [default=no]"
  68   echo "  --enable-shared          build shared libraries [default=no]"
  69   echo "  --disable-shared         do not build shared libraries [default=yes]"
  70   echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  71   echo "                           and ffmpeg will be under GPL [default=no]"
  72   echo "  --enable-nonfree         allow use of nonfree code, the resulting libav*"
  73   echo "                           and ffmpeg will be unredistributable [default=no]"
  74   echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
  75   echo "  --enable-swscale         software scaler support [default=no]"
  76   echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
  77   echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
  78   echo "  --enable-beosthreads     use BeOS threads [default=no]"
  79   echo "  --enable-os2threads      use OS/2 threads [default=no]"
  80   echo "  --enable-pthreads        use pthreads [default=no]"
  81   echo "  --enable-w32threads      use Win32 threads [default=no]"
  82   echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  83   echo
  84   echo "External library support:"
  85   echo "  --enable-sunmlib         use Sun medialib [default=no]"
  86   echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  87   echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  88   echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  89   echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  90   echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  91   echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  92   echo "                           and libraw1394 [default=no]"
  93   echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  94   echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  95   echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
  96   echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  97   echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  98   echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  99   echo "                           native demuxer exists [default=no]"
 100   echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
 101   echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
 102   echo "                           native implementation exists [default=no]"
 103   echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
 104   echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
 105   echo "                           native MPEG-4/Xvid encoder exists [default=no]"
 106   echo ""
 107   echo "Advanced options (experts only):"
 108   echo "  --source-path=PATH       path to source code [$source_path]"
 109   echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
 110   echo "  --enable-cross-compile   assume a cross-compiler is used"
 111   echo "  --target-os=OS           compiler targets OS [$targetos]"
 112   echo "  --cc=CC                  use C compiler CC [$cc]"
 113   echo "  --make=MAKE              use specified make [$make]"
 114   echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
 115   echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
 116   echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
 117   echo "  --build-suffix=SUFFIX    suffix for application specific build []"
 118   echo "  --arch=ARCH              select architecture  [$arch]"
 119   echo "  --cpu=CPU                selects the minimum cpu required (affects"
 120   echo "                           instruction selection, may crash on older CPUs)"
 121   echo "  --enable-powerpc-perf    enable performance report on PPC"
 122   echo "                           (requires enabling PMC)"
 123   echo "  --disable-mmx            disable MMX usage"
 124   echo "  --disable-mmx2           disable MMX2 usage"
 125   echo "  --disable-ssse3          disable SSSE3 usage"
 126   echo "  --disable-armv5te        disable armv5te usage"
 127   echo "  --disable-armv6          disable armv6 usage"
 128   echo "  --disable-iwmmxt         disable iwmmxt usage"
 129   echo "  --disable-altivec        disable AltiVec usage"
 130   echo "  --disable-network        disable network support [default=no]"
 131   echo "  --disable-ipv6           disable ipv6 support [default=no]"
 132   echo "  --disable-zlib           disable zlib [default=no]"
 133   echo "  --disable-vhook          disable video hooking support"
 134   echo "  --disable-debug          disable debugging symbols"
 135   echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 136   echo "                           MPEG audio decoding [default=no]"
 137   echo "  --enable-gray            enable full grayscale support (slower color)"
 138   echo "  --disable-ffmpeg         disable ffmpeg build"
 139   echo "  --disable-ffserver       disable ffserver build"
 140   echo "  --disable-ffplay         disable ffplay build"
 141   echo "  --enable-small           optimize for size instead of speed"
 142   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
 143   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
 144   echo "  --disable-encoder=NAME   disables encoder NAME"
 145   echo "  --enable-encoder=NAME    enables encoder NAME"
 146   echo "  --disable-decoder=NAME   disables decoder NAME"
 147   echo "  --enable-decoder=NAME    enables decoder NAME"
 148   echo "  --disable-encoders       disables all encoders"
 149   echo "  --disable-decoders       disables all decoders"
 150   echo "  --disable-muxer=NAME     disables muxer NAME"
 151   echo "  --enable-muxer=NAME      enables muxer NAME"
 152   echo "  --disable-muxers         disables all muxers"
 153   echo "  --disable-demuxer=NAME   disables demuxer NAME"
 154   echo "  --enable-demuxer=NAME    enables demuxer NAME"
 155   echo "  --disable-demuxers       disables all demuxers"
 156   echo "  --enable-parser=NAME     enables parser NAME"
 157   echo "  --disable-parser=NAME    disables parser NAME"
 158   echo "  --disable-parsers        disables all parsers"
 159   echo "  --enable-bsf=NAME        enables bitstream filter NAME"
 160   echo "  --disable-bsf=NAME       disables bitstream filter NAME"
 161   echo "  --disable-bsfs           disables all bitstream filters"
 162   echo "  --enable-protocol=NAME   enables protocol NAME"
 163   echo "  --disable-protocol=NAME  disables protocol NAME"
 164   echo "  --disable-protocols      disables all protocols"
 165   echo "  --disable-devices        disables all devices"
 166   echo "  --list-decoders          show all available decoders"
 167   echo "  --list-encoders          show all available encoders"
 168   echo "  --list-muxers            show all available muxers"
 169   echo "  --list-demuxers          show all available demuxers"
 170   echo "  --list-parsers           show all available parsers"
 171   echo "  --list-protocols         show all available protocols"
 172   echo "  --list-bsfs              show all available bitstream filters"
 173   echo "  --list-indevs            show all available input devices"
 174   echo "  --list-outdevs           show all available output devices"
 175   echo
 176   echo "Developer options (useful when working on FFmpeg itself):"
 177   echo "  --enable-gprof           enable profiling with gprof [$gprof]"
 178   echo "  --disable-optimizations  disable compiler optimizations"
 179   echo "  --enable-extra-warnings  enable more compiler warnings"
 180   echo "  --disable-stripping      disable stripping of executables and shared libraries"
 181   echo ""
 182   echo "NOTE: Object files are built at the place where configure is launched."
 183   exit 1
 184 }
 185
 186 log(){
 187     echo "$@" >>$logfile
 188 }
 189
 190 log_file(){
 191     log BEGIN $1
 192     pr -n -t $1 >>$logfile
 193     log END $1
 194 }
 195
 196 echolog(){
 197     log "$@"
 198     echo "$@"
 199 }
 200
 201 die(){
 202     echolog "$@"
 203     cat <<EOF
 204 If you think configure made a mistake, make sure you are using the latest
 205 version from SVN.  If the latest version fails, report the problem to the
 206 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
 207 EOF
 208     if disabled logging; then
 209         cat <<EOF
 210 Rerun configure with logging enabled (do not use --disable-logging), and
 211 include the log this produces with your report.
 212 EOF
 213     else
 214 cat <<EOF
 215 Include the log file "$logfile" produced by configure as this will help
 216 solving the problem.
 217 EOF
 218     fi
 219     rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
 220     exit 1
 221 }
 222
 223 # Avoid locale weirdness, besides we really just want to translate ASCII.
 224 toupper(){
 225     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
 226 }
 227
 228 tolower(){
 229     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
 230 }
 231
 232 set_all(){
 233     value=$1
 234     shift
 235     for var in $*; do
 236         eval $var=$value
 237     done
 238 }
 239
 240 pushvar(){
 241     for var in $*; do
 242         eval level=\${${var}_level:=0}
 243         eval ${var}_${level}="\$$var"
 244         eval ${var}_level=$(($level+1))
 245     done
 246 }
 247
 248 popvar(){
 249     for var in $*; do
 250         eval level=\${${var}_level:-0}
 251         test $level = 0 && continue
 252         eval level=$(($level-1))
 253         eval $var="\${${var}_${level}}"
 254         eval ${var}_level=$level
 255         eval unset ${var}_${level}
 256     done
 257 }
 258
 259 enable(){
 260     set_all yes $*
 261 }
 262
 263 disable(){
 264     set_all no $*
 265 }
 266
 267 enabled(){
 268     eval test "x\$$1" = "xyes"
 269 }
 270
 271 disabled(){
 272     eval test "x\$$1" = "xno"
 273 }
 274
 275 enabled_all(){
 276     for opt; do
 277         enabled $opt || return 1
 278     done
 279 }
 280
 281 disabled_all(){
 282     for opt; do
 283         disabled $opt || return 1
 284     done
 285 }
 286
 287 enabled_any(){
 288     for opt; do
 289         enabled $opt && return 0
 290     done
 291 }
 292
 293 disabled_any(){
 294     for opt; do
 295         disabled $opt && return 0
 296     done
 297 }
 298
 299 is_in(){
 300     value=$1
 301     shift
 302     for var in $*; do
 303         [ $var = $value ] && return 0
 304     done
 305     return 1
 306 }
 307
 308 check_deps(){
 309     for cfg; do
 310         enabled ${cfg}_checking && die "Circular dependency for $cfg."
 311         disabled ${cfg}_checking && continue
 312         enable ${cfg}_checking
 313
 314         eval dep_all="\$${cfg}_deps"
 315         eval dep_any="\$${cfg}_deps_any"
 316
 317         pushvar cfg dep_all dep_any
 318         check_deps $dep_all $dep_any
 319         popvar cfg dep_all dep_any
 320
 321         enabled_all $dep_all || disable $cfg
 322         enabled_any $dep_any || disable $cfg
 323
 324         if enabled $cfg; then
 325             eval dep_extralibs="\$${cfg}_extralibs"
 326             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
 327         fi
 328
 329         disable ${cfg}_checking
 330     done
 331 }
 332
 333 print_config(){
 334     pfx=$1
 335     header=$2
 336     makefile=$3
 337     shift 3
 338     for cfg; do
 339         ucname="`toupper $cfg`"
 340         if enabled $cfg; then
 341             echo "#define ${pfx}${ucname} 1" >> $header
 342             echo "#define ENABLE_${ucname} 1" >> $header
 343             echo "${pfx}${ucname}=yes" >> $makefile
 344         else
 345             echo "#define ENABLE_${ucname} 0" >> $header
 346         fi
 347     done
 348 }
 349
 350 flags_saved(){
 351     (: ${SAVE_CFLAGS?}) 2>/dev/null
 352 }
 353
 354 save_flags(){
 355     flags_saved && return
 356     SAVE_CFLAGS="$CFLAGS"
 357     SAVE_LDFLAGS="$LDFLAGS"
 358     SAVE_extralibs="$extralibs"
 359 }
 360
 361 restore_flags(){
 362     flags_saved || return
 363     CFLAGS="$SAVE_CFLAGS"
 364     LDFLAGS="$SAVE_LDFLAGS"
 365     extralibs="$SAVE_extralibs"
 366     unset SAVE_CFLAGS
 367     unset SAVE_LDFLAGS
 368     unset SAVE_extralibs
 369 }
 370
 371 temp_cflags(){
 372     save_flags
 373     CFLAGS="$CFLAGS $*"
 374 }
 375
 376 temp_ldflags(){
 377     save_flags
 378     LDFLAGS="$LDFLAGS $*"
 379 }
 380
 381 temp_extralibs(){
 382     save_flags
 383     extralibs="$extralibs $*"
 384 }
 385
 386 append(){
 387     var=$1
 388     shift
 389     flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
 390     eval "$var=\"\$$var $*\""
 391 }
 392
 393 add_cflags(){
 394     append CFLAGS "$@"
 395 }
 396
 397 add_ldflags(){
 398     append LDFLAGS "$@"
 399 }
 400
 401 add_extralibs(){
 402     append extralibs "$@"
 403 }
 404
 405 check_cmd(){
 406     log "$@"
 407     "$@" >>$logfile 2>&1
 408 }
 409
 410 check_cc(){
 411     log check_cc "$@"
 412     cat >$TMPC
 413     log_file $TMPC
 414     check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
 415 }
 416
 417 check_cpp(){
 418     log check_cpp "$@"
 419     cat >$TMPC
 420     log_file $TMPC
 421     check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
 422 }
 423
 424 check_asm(){
 425     log check_asm "$@"
 426     name="$1"
 427     asm="$2"
 428     shift 2
 429     check_cc "$@" <<EOF && enable $name || disable $name
 430 int foo(void){
 431     asm volatile($asm);
 432 }
 433 EOF
 434 }
 435
 436 check_ld(){
 437     log check_ld "$@"
 438     check_cc || return
 439     flags=''
 440     libs=''
 441     for f; do
 442         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
 443     done
 444     check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
 445 }
 446
 447 check_cflags(){
 448     log check_cflags "$@"
 449     check_cc "$@" <<EOF && add_cflags "$@"
 450 int x;
 451 EOF
 452 }
 453
 454 check_ldflags(){
 455     log check_ldflags "$@"
 456     check_ld "$@" <<EOF && add_ldflags "$@"
 457 int main(void){
 458     return 0;
 459 }
 460 EOF
 461 }
 462
 463 check_header(){
 464     log check_header "$@"
 465     header=$1
 466     shift
 467     var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 468     disable $var
 469     check_cpp "$@" <<EOF && enable $var
 470 #include <$header>
 471 int x;
 472 EOF
 473 }
 474
 475 check_func(){
 476     log check_func "$@"
 477     func=$1
 478     shift
 479     disable $func
 480     check_ld "$@" <<EOF && enable $func
 481 extern int $func();
 482 int main(void){
 483     $func();
 484 }
 485 EOF
 486 }
 487
 488 check_func2(){
 489     log check_func2 "$@"
 490     headers=$1
 491     func=$2
 492     shift 2
 493     disable $func
 494     incs=""
 495     for hdr in $headers; do
 496         incs="$incs
 497 #include <$hdr>"
 498     done
 499     check_ld "$@" <<EOF && enable $func
 500 $incs
 501 int main(int argc, char **argv){
 502     (void) $func;
 503     return 0;
 504 }
 505 EOF
 506 }
 507
 508 check_lib(){
 509     log check_lib "$@"
 510     header="$1"
 511     func="$2"
 512     shift 2
 513     temp_extralibs "$@"
 514     check_header $header && check_func $func && add_extralibs "$@"
 515     err=$?
 516     restore_flags
 517     return $err
 518 }
 519
 520 check_lib2(){
 521     log check_lib2 "$@"
 522     headers="$1"
 523     func="$2"
 524     shift 2
 525     temp_extralibs "$@"
 526     check_func2 "$headers" $func && add_extralibs "$@"
 527     err=$?
 528     restore_flags
 529     return $err
 530 }
 531
 532 check_exec(){
 533     check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
 534 }
 535
 536 check_exec_crash(){
 537     code=`cat`
 538
 539     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
 540     # are safe but may not be available everywhere.  Thus we use
 541     # raise(SIGTERM) instead.  The check is run in a subshell so we
 542     # can redirect the "Terminated" message from the shell.  SIGBUS
 543     # is not defined by standard C so it is used conditionally.
 544
 545     (check_exec "$@") >>$logfile 2>&1 <<EOF
 546 #include <signal.h>
 547 static void sighandler(int sig){
 548     raise(SIGTERM);
 549 }
 550 int main(void){
 551     signal(SIGILL, sighandler);
 552     signal(SIGFPE, sighandler);
 553     signal(SIGSEGV, sighandler);
 554 #ifdef SIGBUS
 555     signal(SIGBUS, sighandler);
 556 #endif
 557     { $code }
 558 }
 559 EOF
 560 }
 561
 562 check_type(){
 563     log check_type "$@"
 564     headers=$1
 565     type=$2
 566     shift 2
 567     disable $type
 568     incs=""
 569     for hdr in $headers; do
 570         incs="$incs
 571 #include <$hdr>"
 572     done
 573     check_cc "$@" <<EOF && enable $type
 574 $incs
 575 $type v;
 576 EOF
 577 }
 578
 579 require(){
 580     name="$1"
 581     header="$2"
 582     func="$3"
 583     shift 3
 584     check_lib $header $func "$@" || die "ERROR: $name not found"
 585 }
 586
 587 require2(){
 588     name="$1"
 589     headers="$2"
 590     func="$3"
 591     shift 3
 592     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
 593 }
 594
 595 check_foo_config(){
 596     cfg=$1
 597     pkg=$2
 598     header=$3
 599     func=$4
 600     shift 4
 601     disable $cfg
 602     check_cmd ${pkg}-config --version
 603     err=$?
 604     if test "$err" = 0; then
 605         temp_cflags `${pkg}-config --cflags`
 606         temp_extralibs `${pkg}-config --libs`
 607         check_lib "$@" $header $func && enable $cfg
 608     fi
 609     return $err
 610 }
 611
 612 apply(){
 613     file=$1
 614     shift
 615     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
 616 }
 617
 618 COMPONENT_LIST="
 619     bsfs
 620     decoders
 621     demuxers
 622     encoders
 623     filters
 624     indevs
 625     muxers
 626     outdevs
 627     parsers
 628     protocols
 629 "
 630
 631 CONFIG_LIST="
 632     $COMPONENT_LIST
 633     avfilter
 634     avfilter_lavf
 635     avisynth
 636     beos_netserver
 637     ffmpeg
 638     ffplay
 639     ffserver
 640     gpl
 641     gprof
 642     gray
 643     hardcoded_tables
 644     ipv6
 645     liba52
 646     liba52bin
 647     libamr_nb
 648     libamr_wb
 649     libdc1394
 650     libfaac
 651     libfaad
 652     libfaadbin
 653     libgsm
 654     libmp3lame
 655     libnut
 656     libtheora
 657     libvorbis
 658     libx264
 659     libxvid
 660     memalign_hack
 661     mpegaudio_hp
 662     network
 663     nonfree
 664     postproc
 665     powerpc_perf
 666     small
 667     swscale
 668     vhook
 669     x11grab
 670     zlib
 671 "
 672
 673 THREADS_LIST='
 674     beosthreads
 675     os2threads
 676     pthreads
 677     w32threads
 678 '
 679
 680 ARCH_LIST='
 681     alpha
 682     armv4l
 683     bfin
 684     ia64
 685     m68k
 686     mips
 687     parisc
 688     powerpc
 689     s390
 690     sh4
 691     sparc
 692     sparc64
 693     x86
 694     x86_32
 695     x86_64
 696 '
 697
 698 ARCH_EXT_LIST='
 699     altivec
 700     armv5te
 701     armv6
 702     iwmmxt
 703     mmi
 704     mmx
 705     mmx2
 706     ssse3
 707     vis
 708 '
 709
 710 HAVE_LIST="
 711     $ARCH_EXT_LIST
 712     $THREADS_LIST
 713     altivec_h
 714     arpa_inet_h
 715     bswap
 716     byteswap_h
 717     closesocket
 718     cmov
 719     conio_h
 720     dcbzl
 721     dev_bktr_ioctl_bt848_h
 722     dev_bktr_ioctl_meteor_h
 723     dev_ic_bt8xx_h
 724     dev_video_meteor_ioctl_meteor_h
 725     dev_video_bktr_ioctl_bt848_h
 726     dlfcn_h
 727     dlopen
 728     ebp_available
 729     ebx_available
 730     fast_64bit
 731     fast_cmov
 732     fast_unaligned
 733     fork
 734     freetype2
 735     gethrtime
 736     GetProcessTimes
 737     getrusage
 738     imlib2
 739     inet_aton
 740     inline_asm
 741     libdc1394_1
 742     libdc1394_2
 743     llrint
 744     lrint
 745     lrintf
 746     machine_ioctl_bt848_h
 747     machine_ioctl_meteor_h
 748     malloc_h
 749     memalign
 750     mkstemp
 751     mlib
 752     pld
 753     ppc64
 754     round
 755     roundf
 756     sdl
 757     sdl_video_size
 758     socklen_t
 759     soundcard_h
 760     poll_h
 761     sys_mman_h
 762     sys_select_h
 763     sys_soundcard_h
 764     termios_h
 765     threads
 766     winsock2_h
 767 "
 768
 769 CMDLINE_SELECT="
 770     $ARCH_EXT_LIST
 771     $CONFIG_LIST
 772     $THREADS_LIST
 773     cross_compile
 774     debug
 775     extra_warnings
 776     logging
 777     optimizations
 778     shared
 779     static
 780     stripping
 781 "
 782
 783 # code dependency declarations
 784
 785 # architecture extensions
 786 altivec_deps="powerpc"
 787 armv5te_deps="armv4l"
 788 armv6_deps="armv4l"
 789 iwmmxt_deps="armv4l"
 790 mmi_deps="mips"
 791 mmx_deps="x86"
 792 mmx2_deps="x86"
 793 ssse3_deps="x86"
 794 vis_deps="sparc"
 795
 796 # decoders / encoders
 797 ac3_decoder_deps="gpl"
 798 dxa_decoder_deps="zlib"
 799 flashsv_decoder_deps="zlib"
 800 flashsv_encoder_deps="zlib"
 801 mpeg_xvmc_decoder_deps="xvmc"
 802 png_decoder_deps="zlib"
 803 png_encoder_deps="zlib"
 804 zmbv_decoder_deps="zlib"
 805 zmbv_encoder_deps="zlib"
 806
 807 # external libraries
 808 liba52_decoder_deps="liba52"
 809 liba52bin_decoder_extralibs='$ldl'
 810 libamr_nb_decoder_deps="libamr_nb"
 811 libamr_nb_encoder_deps="libamr_nb"
 812 libamr_wb_decoder_deps="libamr_wb"
 813 libamr_wb_encoder_deps="libamr_wb"
 814 libfaac_encoder_deps="libfaac"
 815 libfaad_decoder_deps="libfaad"
 816 libfaadbin_decoder_extralibs='$ldl'
 817 libgsm_decoder_deps="libgsm"
 818 libgsm_encoder_deps="libgsm"
 819 libgsm_ms_decoder_deps="libgsm"
 820 libgsm_ms_encoder_deps="libgsm"
 821 libmp3lame_encoder_deps="libmp3lame"
 822 libtheora_encoder_deps="libtheora"
 823 libvorbis_encoder_deps="libvorbis"
 824 libx264_encoder_deps="libx264"
 825 libxvid_encoder_deps="libxvid"
 826 mpeg4aac_decoder_deps="libfaad"
 827
 828 # demuxers / muxers
 829 ac3_demuxer_deps="ac3_parser"
 830 audio_beos_demuxer_deps="audio_beos"
 831 audio_beos_demuxer_extralibs="-lmedia -lbe"
 832 audio_beos_muxer_deps="audio_beos"
 833 audio_beos_muxer_extralibs="-lmedia -lbe"
 834 avisynth_demuxer_deps="avisynth"
 835 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 836 dv1394_demuxer_deps="dv1394 dv_demuxer"
 837 libdc1394_demuxer_deps="libdc1394"
 838 libnut_demuxer_deps="libnut"
 839 libnut_muxer_deps="libnut"
 840 mp3_demuxer_deps="mpegaudio_parser"
 841 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
 842 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
 843 redir_demuxer_deps="network"
 844 rtp_muxer_deps="network rtp_protocol"
 845 rtsp_demuxer_deps="sdp_demuxer"
 846 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 847 v4l_demuxer_deps="linux_videodev_h"
 848 v4l2_demuxer_deps="linux_videodev2_h"
 849 vfwcap_demuxer_deps="capCreateCaptureWindow"
 850 vfwcap_demuxer_extralibs="-lvfw32"
 851 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 852 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 853
 854 # protocols
 855 http_protocol_deps="network"
 856 rtp_protocol_deps="udp_protocol"
 857 tcp_protocol_deps="network"
 858 udp_protocol_deps="network"
 859
 860 # filters
 861 movie_filter_deps="avfilter_lavf"
 862
 863 # programs
 864 ffplay_deps="sdl"
 865 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
 866 ffserver_extralibs='$ldl'
 867 vhook_extralibs='$ldl'
 868
 869
 870 # default parameters
 871
 872 logfile="config.err"
 873
 874 # installation paths
 875 PREFIX="/usr/local"
 876 libdir='$(PREFIX)/lib'
 877 shlibdir="$libdir"
 878 incdir='$(PREFIX)/include'
 879 mandir='$(PREFIX)/share/man'
 880 bindir='$(PREFIX)/bin'
 881
 882 # toolchain
 883 cc="gcc"
 884 ar="ar"
 885 nm="nm"
 886 ranlib="ranlib"
 887 make="make"
 888 strip="strip"
 889 asmalign_pot="unknown"
 890 ln_s="ln -sf"
 891
 892 # machine
 893 arch=`uname -m`
 894 cpu="generic"
 895
 896 # OS
 897 targetos=$(tolower $(uname -s))
 898
 899 # libraries
 900 enable zlib
 901
 902 # configurable options
 903 enable debug
 904 enable ffmpeg
 905 enable ffplay
 906 enable ffserver
 907 enable ipv6
 908 enable mpegaudio_hp
 909 enable network
 910 enable optimizations
 911 enable protocols
 912 enable static
 913 enable stripping
 914 vhook="default"
 915
 916 # build settings
 917 SHFLAGS='-shared -Wl,-soname,$@'
 918 VHOOKSHFLAGS='$(SHFLAGS)'
 919 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 920 FFSERVERLDFLAGS=-Wl,-E
 921 LIBPREF="lib"
 922 LIBSUF=".a"
 923 FULLNAME='$(NAME)$(BUILDSUF)'
 924 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
 925 SLIBPREF="lib"
 926 SLIBSUF=".so"
 927 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
 928 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
 929 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
 930 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
 931
 932 # gcc stupidly only outputs the basename of targets with -MM
 933 DEPEND_CMD='$(CC) -MM $(CFLAGS) $(filter-out %.h,$^) | sed "s,[0-9a-z._-]*: \($(SRC_DIR)/\)*\([a-z0-9]*/\)[^/]* ,\\2&,"'
 934 VHOOK_DEPEND_CMD='$(CC) -MM $(VHOOKCFLAGS) $(filter-out %.h,$^) | sed "s,^\([a-z]\),vhook/\\1,"'
 935
 936 # find source path
 937 source_path="`dirname \"$0\"`"
 938 enable source_path_used
 939 if test -z "$source_path" -o "$source_path" = "." ; then
 940     source_path="`pwd`"
 941     disable source_path_used
 942 else
 943     source_path="`cd \"$source_path\"; pwd`"
 944     echo "$source_path" | grep -q '[[:blank:]]' &&
 945         die "Out of tree builds are impossible with whitespace in source path."
 946 fi
 947
 948 FFMPEG_CONFIGURATION="$@"
 949
 950 find_things(){
 951     thing=$1
 952     pattern=$2
 953     file=$source_path/$3
 954     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
 955 }
 956
 957 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
 958 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
 959 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
 960 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
 961 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
 962 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
 963 OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
 964 INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
 965 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
 966 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
 967
 968 enable $ARCH_EXT_LIST \
 969        $DECODER_LIST \
 970        $ENCODER_LIST \
 971        $PARSER_LIST \
 972        $BSF_LIST \
 973        $DEMUXER_LIST \
 974        $MUXER_LIST \
 975        $FILTER_LIST \
 976        $PROTOCOL_LIST \
 977        $INDEV_LIST \
 978        $OUTDEV_LIST \
 979
 980 die_unknown(){
 981     echo "Unknown option \"$1\"."
 982     echo "See $0 --help for available options."
 983     exit 1
 984 }
 985
 986 show_list() {
 987     suffix=_$1
 988     shift
 989     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
 990     exit 0
 991 }
 992
 993 for opt do
 994     optval="${opt#*=}"
 995     case "$opt" in
 996     --logfile=*) logfile="$optval"
 997     ;;
 998     --prefix=*) PREFIX="$optval"
 999     ;;
1000     --libdir=*) libdir="$optval"
1001     ;;
1002     --shlibdir=*) shlibdir="$optval"
1003     ;;
1004     --incdir=*) incdir="$optval"
1005     ;;
1006     --mandir=*) mandir="$optval"
1007     ;;
1008     --source-path=*) source_path="$optval"
1009     ;;
1010     --cross-prefix=*) cross_prefix="$optval"
1011     ;;
1012     --target-os=*) targetos="$optval"
1013     ;;
1014     --cc=*) cc="$optval"
1015     ;;
1016     --make=*) make="$optval"
1017     ;;
1018     --extra-cflags=*) add_cflags "$optval"
1019     ;;
1020     --extra-ldflags=*) add_ldflags "$optval"
1021     ;;
1022     --extra-libs=*) add_extralibs "$optval"
1023     ;;
1024     --build-suffix=*) BUILDSUF="$optval"
1025     ;;
1026     --arch=*) arch="$optval"
1027     ;;
1028     --cpu=*) cpu="$optval"
1029     ;;
1030     --enable-sunmlib) enable mlib
1031     ;;
1032     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1033     ;;
1034     --enable-debug=*) debuglevel="$optval"
1035     ;;
1036     --enable-*=*|--disable-*=*)
1037     eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1038     case "$thing" in
1039         encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1040         *) die_unknown "$opt" ;;
1041     esac
1042     ;;
1043     --enable-?*|--disable-?*)
1044     eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1045     if is_in $option $COMPONENT_LIST; then
1046         eval $action \$$(toupper ${option%s})_LIST
1047     elif is_in $option $CMDLINE_SELECT; then
1048         $action $option
1049     else
1050         die_unknown $opt
1051     fi
1052     ;;
1053     --list-*)
1054         NAME="${opt#--list-}"
1055         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1056         NAME=${NAME%s}
1057         eval show_list $NAME \$$(toupper $NAME)_LIST
1058     ;;
1059     --help|-h) show_help
1060     ;;
1061     *)
1062     die_unknown $opt
1063     ;;
1064     esac
1065 done
1066
1067 case "$arch" in
1068     i386|i486|i586|i686|i86pc|BePC)
1069         arch="x86_32"
1070         enable fast_unaligned
1071     ;;
1072     x86_64|amd64)
1073         arch="x86_32"
1074         enable fast_unaligned
1075         canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1076         if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1077             if ! echo $CFLAGS | grep -q -- -m32; then
1078                 arch="x86_64"
1079                 enable fast_64bit
1080             fi
1081         fi
1082     ;;
1083     # armv4l is a subset of armv[567]*l
1084     arm|armv[4567]*l)
1085         arch="armv4l"
1086     ;;
1087     alpha)
1088         arch="alpha"
1089         enable fast_64bit
1090     ;;
1091     "Power Macintosh"|ppc|powerpc)
1092         arch="powerpc"
1093     ;;
1094     ppc64)
1095         arch="powerpc"
1096         enable fast_64bit
1097     ;;
1098     mips|mipsel|IP*)
1099         arch="mips"
1100     ;;
1101     sun4u|sparc64)
1102         arch="sparc64"
1103         enable fast_64bit
1104     ;;
1105     sparc)
1106         arch="sparc"
1107     ;;
1108     sh4)
1109         arch="sh4"
1110     ;;
1111     parisc)
1112         arch="parisc"
1113     ;;
1114     parisc64)
1115         arch="parisc"
1116         enable fast_64bit
1117     ;;
1118     s390|s390x)
1119         arch="s390"
1120     ;;
1121     m68k)
1122         arch="m68k"
1123     ;;
1124     ia64)
1125         arch="ia64"
1126         enable fast_64bit
1127     ;;
1128     bfin)
1129         arch="bfin"
1130     ;;
1131     *)
1132         arch="unknown"
1133     ;;
1134 esac
1135
1136 enable $arch
1137 enabled_any x86_32 x86_64 && enable x86
1138 enabled     sparc64       && enable sparc
1139
1140 # OS specific
1141 case $targetos in
1142     beos|haiku|zeta)
1143         PREFIX="$HOME/config"
1144         # helps building libavcodec
1145         add_cflags "-DPIC -fomit-frame-pointer"
1146         # 3 gcc releases known for BeOS, each with ugly bugs
1147         gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1148         case "$gcc_version" in
1149           2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1150             disable mmx
1151             ;;
1152           *20010315*) echo "BeBits gcc"
1153             add_cflags "-fno-expensive-optimizations"
1154             ;;
1155         esac
1156         SHFLAGS=-nostart
1157         # enable BeOS things
1158         enable audio_beos
1159         # no need for libm, but the inet stuff
1160         # Check for BONE
1161         # XXX: actually should check for NOT net_server
1162         if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1163             network_extralibs="-lbind -lsocket"
1164         else
1165             enable beos_netserver
1166             network_extralibs="-lnet"
1167         fi ;;
1168     sunos)
1169         FFSERVERLDFLAGS=""
1170         SHFLAGS='-shared -Wl,-h,$@'
1171         network_extralibs="-lsocket -lnsl"
1172         ;;
1173     netbsd)
1174         oss_demuxer_extralibs="-lossaudio"
1175         oss_muxer_extralibs="-lossaudio"
1176         ;;
1177     openbsd)
1178         disable need_memalign
1179         LIBOBJFLAGS='$(PIC)'
1180         SHFLAGS='-shared'
1181         SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1182         SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1183         SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1184         oss_demuxer_extralibs="-lossaudio"
1185         oss_muxer_extralibs="-lossaudio"
1186         ;;
1187     freebsd)
1188         disable need_memalign
1189         ;;
1190     bsd/os)
1191         osextralibs="-lpoll -lgnugetopt"
1192         strip="strip -d"
1193         ;;
1194     darwin)
1195         disable need_memalign
1196         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1197         VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1198         strip="strip -x"
1199         FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1200         SLIBSUF=".dylib"
1201         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1202         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1203         FFSERVERLDFLAGS=-Wl,-bind_at_load
1204         ;;
1205     mingw32*)
1206         targetos=mingw32
1207         shlibdir="$bindir"
1208         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1209         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1210         if enabled swscale; then
1211             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1212             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1213         fi
1214         disable ffserver
1215         SLIBPREF=""
1216         SLIBSUF=".dll"
1217         EXESUF=".exe"
1218         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1219         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1220         SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
1221         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1222         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1223         SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1224         ;;
1225     cygwin*)
1226         targetos=cygwin
1227         shlibdir="$bindir"
1228         VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1229         VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1230         if enabled swscale; then
1231             VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1232             VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1233         fi
1234         EXESUF=".exe"
1235         SLIBPREF="cyg"
1236         SLIBSUF=".dll"
1237         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1238         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1239         SHFLAGS='-shared -Wl,--enable-auto-image-base'
1240         ;;
1241     *-dos|freedos|opendos)
1242         disable ffplay ffserver vhook
1243         disable $INDEV_LIST $OUTDEV_LIST
1244         network_extralibs="-lsocket"
1245         EXESUF=".exe"
1246         ;;
1247     linux)
1248         LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1249         enable dv1394
1250         ;;
1251     irix*)
1252         targetos=irix
1253         ranlib="echo ignoring ranlib"
1254         ;;
1255     os/2*)
1256         strip="lxlite"
1257         ln_s="cp -f"
1258         EXESUF=".exe"
1259         FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1260         SHFLAGS='$(NAME).def -Zdll -Zomf'
1261         FFSERVERLDFLAGS=""
1262         LIBSUF="_s.a"
1263         SLIBPREF=""
1264         SLIBSUF=".dll"
1265         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1266         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1267         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(NAME).def; \
1268           echo PROTMODE >> $(NAME).def; \
1269           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
1270           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
1271           echo EXPORTS >> $(NAME).def; \
1272           emxexp -o $(OBJS) >> $(NAME).def'
1273         SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
1274           emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
1275         SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1276         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1277         disable vhook
1278         ;;
1279     interix)
1280         disable vhook
1281         ;;
1282
1283     *)
1284         targetos="${targetos}-UNKNOWN"
1285         ;;
1286 esac
1287
1288 # set temporary file name
1289 if test ! -z "$TMPDIR" ; then
1290     TMPDIR1="${TMPDIR}"
1291 elif test ! -z "$TEMPDIR" ; then
1292     TMPDIR1="${TEMPDIR}"
1293 else
1294     TMPDIR1="/tmp"
1295 fi
1296
1297 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1298 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1299 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1300 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1301 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1302
1303
1304 add_extralibs $osextralibs
1305
1306 disabled logging && logfile=/dev/null
1307
1308 echo "# $0 $@" >$logfile
1309 set >>$logfile
1310
1311 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1312 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1313
1314 test -n "$cross_prefix" && enable cross_compile
1315 cc="${cross_prefix}${cc}"
1316 ar="${cross_prefix}${ar}"
1317 nm="${cross_prefix}${nm}"
1318 ranlib="${cross_prefix}${ranlib}"
1319 strip="${cross_prefix}${strip}"
1320
1321 # we need to build at least one lib type
1322 if ! enabled_any static shared; then
1323     cat <<EOF
1324 At least one library type must be built.
1325 Specify --enable-static to build the static libraries or --enable-shared to
1326 build the shared libraries as well. To only build the shared libraries specify
1327 --disable-static in addition to --enable-shared.
1328 EOF
1329     exit 1;
1330 fi
1331
1332 disabled static && LIBNAME=""
1333
1334 if enabled_any libfaad libfaadbin ; then
1335     if check_header faad.h; then
1336         check_cc << EOF
1337 #include <faad.h>
1338 #ifndef FAAD2_VERSION
1339 ok faad1
1340 #endif
1341 int main(void) { return 0; }
1342 EOF
1343         test $? = 0 && enable libfaad2
1344     else
1345         die "FAAD test failed."
1346     fi
1347 fi
1348
1349
1350 if ! enabled gpl; then
1351     die_gpl_disabled(){
1352         name=$1
1353         shift
1354         enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1355     }
1356     die_gpl_disabled "The Postprocessing code" postproc
1357     die_gpl_disabled "liba52"                  liba52
1358     die_gpl_disabled "libx264"                 libx264
1359     die_gpl_disabled "libxvidcore"             libxvid
1360     die_gpl_disabled "FAAD2"                   libfaad2
1361     die_gpl_disabled "The X11 grabber"         x11grab
1362     die_gpl_disabled "The software scaler"     swscale
1363 fi
1364
1365 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1366     die "libamr is nonfree and --enable-nonfree is not specified."
1367 fi
1368
1369 check_deps $ARCH_EXT_LIST
1370
1371 test -z "$need_memalign" && need_memalign="$mmx"
1372
1373 #Darwin CC versions
1374 if test $targetos = darwin; then
1375     if $cc -v 2>&1 | grep -q xlc; then
1376         add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1377     else
1378         add_cflags "-pipe"
1379         check_cflags "-force_cpusubtype_ALL"
1380         check_cflags "-Wno-sign-compare"
1381         enabled shared || add_cflags -mdynamic-no-pic
1382     fi
1383 fi
1384
1385 disabled optimizations || add_cflags -fomit-frame-pointer
1386
1387 # Add processor-specific flags
1388 if test $cpu != "generic"; then
1389     warn_altivec(){
1390         $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1391     }
1392     case $cpu in
1393         601|ppc601|PowerPC601)
1394             add_cflags "-mcpu=601"
1395             warn_altivec enabled PPC601
1396         ;;
1397         603*|ppc603*|PowerPC603*)
1398             add_cflags "-mcpu=603"
1399             warn_altivec enabled PPC603
1400         ;;
1401         604*|ppc604*|PowerPC604*)
1402             add_cflags "-mcpu=604"
1403             warn_altivec enabled PPC604
1404         ;;
1405         G3|g3|75*|ppc75*|PowerPC75*)
1406             add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1407             warn_altivec enabled PPC75x
1408         ;;
1409         G4|g4|745*|ppc745*|PowerPC745*)
1410             add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1411             warn_altivec disabled PPC745x
1412         ;;
1413         74*|ppc74*|PowerPC74*)
1414             add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1415             warn_altivec disabled PPC74xx
1416         ;;
1417         G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1418             add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1419             warn_altivec disabled PPC970
1420             enable ppc64
1421         ;;
1422         Cell|CELL|cell)
1423             add_cflags "-mcpu=cell"
1424             warn_altivec disabled Cell
1425             enable ppc64
1426         ;;
1427         # targets that do NOT support conditional mov (cmov)
1428         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1429             add_cflags "-march=$cpu"
1430             disable cmov
1431         ;;
1432         # targets that do support conditional mov (cmov)
1433         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1434             add_cflags "-march=$cpu"
1435             enable cmov
1436             enable fast_cmov
1437         ;;
1438         # targets that do support conditional mov but on which it's slow
1439         pentium4|pentium4m|prescott|nocona)
1440             add_cflags "-march=$cpu"
1441             enable cmov
1442             disable fast_cmov
1443         ;;
1444         sparc64)
1445             add_cflags "-mcpu=v9"
1446         ;;
1447         arm*)
1448             add_cflags "-mcpu=$cpu"
1449         ;;
1450         *)
1451             echo "WARNING: Unknown CPU \"$cpu\", ignored."
1452         ;;
1453     esac
1454 fi
1455
1456 gnu_make(){
1457     $1 --version 2>&1 | grep -q GNU
1458 }
1459
1460 if ! gnu_make $make; then
1461     gnu_make gmake && make=gmake || die "GNU make not found."
1462 fi
1463
1464 # make sure we can execute files in $TMPDIR
1465 cat >$TMPE 2>>$logfile <<EOF
1466 #! /bin/sh
1467 EOF
1468 chmod +x $TMPE >>$logfile 2>&1
1469 if ! $TMPE >>$logfile 2>&1; then
1470     cat <<EOF
1471 Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1472 variable to another directory and make sure that $TMPDIR1 is not mounted
1473 noexec.
1474 EOF
1475     die "Sanity test failed."
1476 fi
1477 rm $TMPE
1478
1479 # compiler sanity check
1480 check_exec <<EOF
1481 int main(void){
1482     return 0;
1483 }
1484 EOF
1485 if test "$?" != 0; then
1486     echo "$cc is unable to create an executable file."
1487     if test -z "$cross_prefix" && ! enabled cross_compile ; then
1488         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1489         echo "Only do this if you know what cross compiling means."
1490     fi
1491     die "C compiler test failed."
1492 fi
1493
1494 check_cc <<EOF || die "Symbol mangling check failed."
1495 int ff_extern;
1496 EOF
1497 sym=$($nm -P -g $TMPO)
1498 extern_prefix=${sym%%ff_extern*}
1499
1500 check_asm inline_asm '""'
1501
1502 if enabled x86; then
1503     # check whether EBP is available on x86
1504     # As 'i' is stored on the stack, this program will crash
1505     # if the base pointer is used to access it because the
1506     # base pointer is cleared in the inline assembly code.
1507     check_exec_crash <<EOF && enable ebp_available
1508     volatile int i=0;
1509     asm volatile (
1510         "xorl %%ebp, %%ebp"
1511     ::: "%ebp");
1512     return i;
1513 EOF
1514
1515     # check wether EBX is available on x86
1516     check_asm ebx_available '"":::"%ebx"'
1517
1518     # check whether binutils is new enough to compile SSSE3/MMX2
1519     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1520     enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1521
1522     check_asm bswap '"bswap %%eax" ::: "%eax"'
1523 fi
1524
1525 # check for assembler specific support
1526
1527 if test $arch = "powerpc"; then
1528 check_cc <<EOF && enable dcbzl
1529 int main(void) {
1530     register long zero = 0;
1531     char data[1024];
1532     asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1533 return 0;
1534 }
1535 EOF
1536 fi
1537
1538 # check for SIMD availability
1539
1540 # AltiVec flags: The FSF version of GCC differs from the Apple version
1541 if enabled altivec; then
1542     check_cflags -maltivec -mabi=altivec &&
1543         check_header altivec.h ||
1544         check_cflags -faltivec
1545
1546     # check if our compiler supports Motorola AltiVec C API
1547     enabled altivec_h &&
1548         inc_altivec_h="#include <altivec.h>" ||
1549         inc_altivec_h=
1550     check_cc <<EOF || disable altivec
1551 $inc_altivec_h
1552 int main(void) {
1553     vector signed int v1, v2, v3;
1554     v1 = vec_add(v2,v3);
1555     return 0;
1556 }
1557 EOF
1558 fi
1559
1560 # We have to check if pld is a nop and disable it.
1561 enabled armv4l  && check_asm pld     '"pld [r0]"'
1562 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1563 enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1564 enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1565 enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1566 enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1567
1568 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1569
1570 # ---
1571 # big/little-endian test
1572 check_cc <<EOF || die "endian test failed"
1573 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1574 EOF
1575 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1576
1577 # ---
1578 # check availability of some header files
1579
1580 if check_func dlopen; then
1581     ldl=
1582 elif check_func dlopen -ldl; then
1583     ldl=-ldl
1584 fi
1585
1586 check_func  fork
1587 check_func  gethrtime
1588 check_func  getrusage
1589 check_func  inet_aton $network_extralibs
1590 check_func  memalign
1591 check_func  mkstemp
1592 check_func2 windows.h GetProcessTimes
1593
1594 check_header byteswap.h
1595 check_header conio.h
1596 check_header dlfcn.h
1597 check_header malloc.h
1598 check_header sys/mman.h
1599 check_header termios.h
1600
1601 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1602     die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1603 fi
1604
1605 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1606
1607 # ffserver uses poll(),
1608 # if it's not found we can emulate it using select().
1609 if enabled ffserver; then
1610     check_header poll.h
1611     check_header sys/select.h
1612 fi
1613
1614 # check for some common methods of building with pthread support
1615 # do this before the optional library checks as some of them require pthreads
1616 if enabled pthreads; then
1617     if check_func pthread_create; then
1618         :
1619     elif check_func pthread_create -pthread; then
1620         add_cflags -pthread
1621         add_extralibs -pthread
1622     elif check_func pthread_create -pthreads; then
1623         add_cflags -pthreads
1624         add_extralibs -pthreads
1625     elif ! check_lib pthread.h pthread_create -lpthread; then
1626         die "ERROR: can't find pthreads library"
1627     fi
1628 fi
1629
1630 for thread in $THREADS_LIST; do
1631     if enabled $thread; then
1632         test -n "$thread_type" &&
1633             die "ERROR: Only one thread type must be selected." ||
1634             thread_type="$thread"
1635     fi
1636 done
1637
1638 check_lib math.h sin -lm
1639
1640 # test for C99 functions in math.h
1641 for func in llrint lrint lrintf round roundf; do
1642     check_exec <<EOF && enable $func || disable $func
1643 #define _ISOC9X_SOURCE  1
1644 #include <math.h>
1645 int main(void) { return ($func(3.999f) > 0)?0:1; }
1646 EOF
1647 done
1648
1649 # these are off by default, so fail if requested and not available
1650 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1651 enabled liba52     && require  liba52 a52dec/a52.h a52_init -la52
1652 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1653 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1654 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1655 enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1656 enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1657 enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1658 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1659 enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1660 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1661 enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm
1662 enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1663 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1664
1665 # disable the native AC-3 decoder if liba52 is enabled
1666 enabled liba52 && disable ac3_decoder
1667
1668 # libdc1394 check
1669 if enabled libdc1394; then
1670     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1671         enable libdc1394_2; } ||
1672     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1673         enable libdc1394_1; } ||
1674     die "ERROR: No version of libdc1394 found "
1675 fi
1676
1677
1678 _restrict=
1679 for restrict_keyword in restrict __restrict__ __restrict; do
1680     check_cc <<EOF && _restrict=$restrict_keyword && break
1681 void foo(char * $restrict_keyword p);
1682 EOF
1683 done
1684
1685 test "$vhook" = "default" && vhook="$dlopen"
1686
1687 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1688     disable vhook
1689     echo
1690     echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1691     echo "Patches welcome."
1692     echo
1693 fi
1694
1695 if enabled vhook; then
1696     check_ldflags -rdynamic
1697     check_ldflags -export-dynamic
1698 fi
1699
1700 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1701 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1702
1703 ##########################################
1704 # SDL check
1705
1706 disable sdl_too_old
1707 disable sdl
1708 SDL_CONFIG="${cross_prefix}sdl-config"
1709 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1710     sdl_cflags=`"${SDL_CONFIG}" --cflags`
1711     temp_cflags $sdl_cflags
1712     temp_extralibs `"${SDL_CONFIG}" --libs`
1713     if check_lib2 SDL.h SDL_Init; then
1714         _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1715         if test "$_sdlversion" -lt 121 ; then
1716             enable sdl_too_old
1717         else
1718             enable sdl
1719             check_cc $sdl_cflags <<EOF && enable sdl_video_size
1720 #include <SDL.h>
1721 int main(int argc, char **argv){
1722     const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1723     int w = vi->current_w;
1724     return 0;
1725 }
1726 EOF
1727         fi
1728     fi
1729     restore_flags
1730 fi
1731
1732 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1733
1734 check_type sys/socket.h socklen_t
1735
1736 ##########################################
1737 # Network check
1738
1739 if enabled network; then
1740     # Prefer arpa/inet.h over winsock2
1741     if check_header arpa/inet.h ; then
1742         check_func closesocket
1743     elif check_header winsock2.h ; then
1744         network_extralibs="-lws2_32"
1745         check_type ws2tcpip.h socklen_t
1746         check_func2 winsock2.h closesocket
1747     fi
1748 fi
1749
1750 ##########################################
1751 # IPv6 check
1752
1753 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1754 #include <sys/types.h>
1755 #include <sys/socket.h>
1756 #include <netinet/in.h>
1757 #include <netdb.h>
1758 int main(void) {
1759     struct sockaddr_storage saddr;
1760     struct ipv6_mreq mreq6;
1761     getaddrinfo(0,0,0,0);
1762     getnameinfo(0,0,0,0,0,0,0);
1763     IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1764 }
1765 EOF
1766
1767 check_header linux/videodev.h
1768 check_header linux/videodev2.h
1769
1770 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1771
1772 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1773 { check_header dev/bktr/ioctl_meteor.h &&
1774   check_header dev/bktr/ioctl_bt848.h; } ||
1775 { check_header machine/ioctl_meteor.h &&
1776   check_header machine/ioctl_bt848.h; } ||
1777 { check_header dev/video/meteor/ioctl_meteor.h &&
1778   check_header dev/video/bktr/ioctl_bt848.h; } ||
1779 check_header dev/ic/bt8xx.h
1780
1781 check_header sys/soundcard.h
1782 check_header soundcard.h
1783
1784 # deal with the X11 frame grabber
1785 enabled x11grab                         &&
1786 check_header X11/Xlib.h                 &&
1787 check_header X11/extensions/XShm.h      &&
1788 check_func XOpenDisplay -lX11           &&
1789 check_func XShmCreateImage -lX11 -lXext
1790
1791 enabled debug && add_cflags -g"$debuglevel"
1792
1793 # add some useful compiler flags if supported
1794 check_cflags -Wdeclaration-after-statement
1795 check_cflags -Wall
1796 check_cflags -Wno-switch
1797 check_cflags -Wdisabled-optimization
1798 check_cflags -Wpointer-arith
1799 check_cflags -Wredundant-decls
1800 check_cflags -Wno-pointer-sign
1801 check_cflags -Wcast-qual
1802 check_cflags -Wwrite-strings
1803 check_cflags -Wtype-limits
1804 enabled extra_warnings && check_cflags -Winline
1805
1806 # add some linker flags
1807 check_ldflags -Wl,--warn-common
1808 check_ldflags $LDLATEFLAGS
1809 check_ldflags -Wl,-Bsymbolic
1810
1811 if enabled small; then
1812     check_cflags -Os            # not all compilers support -Os
1813     optimizations="small"
1814 elif enabled optimizations; then
1815     if $cc -v 2>&1 | grep -q xlc; then
1816         add_cflags  "-O5"
1817         add_ldflags "-O5"
1818     else
1819         add_cflags "-O3"
1820     fi
1821 fi
1822 check_cflags -fno-math-errno
1823 check_cflags -fno-signed-zeros
1824
1825 # PIC flags for shared library objects where they are needed
1826 if enabled shared; then
1827     # LIBOBJFLAGS may have already been set in the OS configuration
1828     if test -z "$LIBOBJFLAGS" ; then
1829         case "$arch" in
1830             x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1831         esac
1832     fi
1833 fi
1834
1835 if enabled gprof; then
1836     add_cflags  "-p"
1837     add_ldflags "-p"
1838 fi
1839
1840 VHOOKCFLAGS="-fPIC"
1841
1842 # Find out if the .align argument is a power of two or not.
1843 if test $asmalign_pot = "unknown"; then
1844     disable asmalign_pot
1845     echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1846 fi
1847
1848 enabled_any $DECODER_LIST      && enable decoders
1849 enabled_any $ENCODER_LIST      && enable encoders
1850 enabled_any $BSF_LIST          && enable bsfs
1851 enabled_any $DEMUXER_LIST      && enable demuxers
1852 enabled_any $MUXER_LIST        && enable muxers
1853 enabled_any $FILTER_LIST       && enable filters
1854 enabled_any $INDEV_LIST        && enable demuxers
1855 enabled_any $OUTDEV_LIST       && enable muxers
1856 enabled_any $PROTOCOL_LIST     && enable protocols
1857
1858 enabled_any $THREADS_LIST      && enable threads
1859
1860 check_deps $CONFIG_LIST       \
1861            $HAVE_LIST         \
1862            $DECODER_LIST      \
1863            $ENCODER_LIST      \
1864            $PARSER_LIST       \
1865            $BSF_LIST          \
1866            $DEMUXER_LIST      \
1867            $MUXER_LIST        \
1868            $FILTER_LIST       \
1869            $INDEV_LIST        \
1870            $OUTDEV_LIST       \
1871            $PROTOCOL_LIST     \
1872
1873 enabled libdc1394 && append pkg_requires "libraw1394"
1874 enabled libtheora && append pkg_requires "theora"
1875 enabled libvorbis && append pkg_requires "vorbisenc"
1876
1877 echo "install prefix            $PREFIX"
1878 echo "source path               $source_path"
1879 echo "C compiler                $cc"
1880 echo "make                      $make"
1881 echo ".align is power-of-two    $asmalign_pot"
1882 echo "ARCH                      $arch ($cpu)"
1883 if test "$BUILDSUF" != ""; then
1884     echo "build suffix              $BUILDSUF"
1885 fi
1886 echo "big-endian                ${bigendian-no}"
1887 if test $arch = "x86_32" -o $arch = "x86_64"; then
1888     echo "MMX enabled               ${mmx-no}"
1889     echo "CMOV enabled              ${cmov-no}"
1890     echo "CMOV is fast              ${fast_cmov-no}"
1891     echo "EBX available             ${ebx_available-no}"
1892     echo "EBP available             ${ebp_available-no}"
1893 fi
1894 if test $arch = "armv4l"; then
1895     echo "ARMv5TE enabled           ${armv5te-no}"
1896     echo "ARMv6 enabled             ${armv6-no}"
1897     echo "IWMMXT enabled            ${iwmmxt-no}"
1898 fi
1899 if test $arch = "mips"; then
1900     echo "MMI enabled               ${mmi-no}"
1901 fi
1902 if test $arch = "powerpc"; then
1903     echo "AltiVec enabled           ${altivec-no}"
1904     echo "dcbzl available           ${dcbzl-no}"
1905 fi
1906 echo "gprof enabled             ${gprof-no}"
1907 echo "debug symbols             ${debug-no}"
1908 echo "strip symbols             ${stripping-no}"
1909 echo "optimizations             ${optimizations-no}"
1910 echo "static                    ${static-no}"
1911 echo "shared                    ${shared-no}"
1912 echo "postprocessing support    ${postproc-no}"
1913 echo "software scaler enabled   ${swscale-no}"
1914 echo "new filter support        ${avfilter-no}"
1915 echo "filters using lavformat   ${avfilter_lavf-no}"
1916 echo "video hooking             ${vhook-no}"
1917 if enabled vhook; then
1918     echo "Imlib2 support            ${imlib2-no}"
1919     echo "FreeType support          ${freetype2-no}"
1920 fi
1921 echo "network support           ${network-no}"
1922 if enabled network; then
1923     echo "IPv6 support              ${ipv6-no}"
1924 fi
1925 echo "threading support         ${thread_type-no}"
1926 echo "SDL support               ${sdl-no}"
1927 if enabled sdl_too_old; then
1928     echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1929 fi
1930 echo "Sun medialib support      ${mlib-no}"
1931 echo "AVISynth enabled          ${avisynth-no}"
1932 echo "liba52 support            ${liba52-no}"
1933 echo "liba52 dlopened           ${liba52bin-no}"
1934 echo "libamr-nb support         ${libamr_nb-no}"
1935 echo "libamr-wb support         ${libamr_wb-no}"
1936 echo "libdc1394 support         ${libdc1394-no}"
1937 echo "libfaac enabled           ${libfaac-no}"
1938 echo "libfaad enabled           ${libfaad-no}"
1939 echo "libfaad dlopened          ${libfaadbin-no}"
1940 echo "libgsm enabled            ${libgsm-no}"
1941 echo "libmp3lame enabled        ${libmp3lame-no}"
1942 echo "libnut enabled            ${libnut-no}"
1943 echo "libtheora enabled         ${libtheora-no}"
1944 echo "libvorbis enabled         ${libvorbis-no}"
1945 echo "x264 enabled              ${libx264-no}"
1946 echo "XviD enabled              ${libxvid-no}"
1947 echo "zlib enabled              ${zlib-no}"
1948 echo
1949
1950 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1951     echo "Enabled ${type}s:"
1952     eval list=\$$(toupper $type)_LIST
1953     for part in $list; do
1954         enabled $part && echo ${part%_*}
1955     done | sort | pr -3 -t
1956     echo
1957 done
1958
1959 enabled nonfree &&
1960     echo "License: unredistributable" ||
1961     (enabled gpl &&
1962         echo "License: GPL" ||
1963         echo "License: LGPL")
1964
1965 echo "Creating config.mak and config.h..."
1966
1967 echo "# Automatically generated by configure - do not modify!" > config.mak
1968 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1969 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1970 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1971 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1972
1973 echo "PREFIX=$PREFIX" >> config.mak
1974 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1975 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1976 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1977 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1978 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1979 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1980 echo "MAKE=$make" >> config.mak
1981 echo "CC=$cc" >> config.mak
1982 echo "AR=$ar" >> config.mak
1983 echo "RANLIB=$ranlib" >> config.mak
1984 echo "LN_S=$ln_s" >> config.mak
1985 enabled stripping &&
1986     echo "STRIP=$strip" >> config.mak ||
1987     echo "STRIP=echo ignoring strip" >> config.mak
1988
1989 echo "OPTFLAGS=$CFLAGS" >> config.mak
1990 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1991 echo "LDFLAGS=$LDFLAGS" >> config.mak
1992 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1993 echo "SHFLAGS=$SHFLAGS" >> config.mak
1994 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1995 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1996 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1997 echo "BUILD_STATIC=$static" >> config.mak
1998 echo "BUILDSUF=$BUILDSUF" >> config.mak
1999 echo "FULLNAME=$FULLNAME" >> config.mak
2000 echo "LIBPREF=$LIBPREF" >> config.mak
2001 echo "LIBSUF=$LIBSUF" >> config.mak
2002 echo "LIBNAME=$LIBNAME" >> config.mak
2003 echo "SLIBPREF=$SLIBPREF" >> config.mak
2004 echo "SLIBSUF=$SLIBSUF" >> config.mak
2005 echo "EXESUF=$EXESUF" >> config.mak
2006 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2007 echo "VHOOK_DEPEND_CMD=$VHOOK_DEPEND_CMD" >> config.mak
2008
2009 if enabled bigendian; then
2010     echo "WORDS_BIGENDIAN=yes" >> config.mak
2011     echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2012 fi
2013
2014 if enabled sdl; then
2015     echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2016     echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2017 fi
2018 if enabled texi2html; then
2019     echo "BUILD_DOC=yes" >> config.mak
2020 fi
2021
2022 get_version(){
2023     name=$1
2024     file=$source_path/$2
2025     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2026     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2027     lcname=$(tolower $name)
2028     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2029     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2030 }
2031
2032 get_version LIBSWSCALE  libswscale/swscale.h
2033 get_version LIBPOSTPROC libpostproc/postprocess.h
2034 get_version LIBAVCODEC  libavcodec/avcodec.h
2035 get_version LIBAVDEVICE libavdevice/avdevice.h
2036 get_version LIBAVFORMAT libavformat/avformat.h
2037 get_version LIBAVUTIL   libavutil/avutil.h
2038 get_version LIBAVFILTER libavfilter/avfilter.h
2039
2040 if enabled shared; then
2041     echo "BUILD_SHARED=yes" >> config.mak
2042     echo "PIC=-fPIC -DPIC" >> config.mak
2043     echo "SLIBNAME=${SLIBNAME}" >> config.mak
2044     echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2045     echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2046     echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2047     echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2048     echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2049     echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2050 fi
2051 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2052 echo "EXTRALIBS=$extralibs" >> config.mak
2053
2054 print_config ARCH_   $TMPH config.mak $ARCH_LIST
2055 print_config HAVE_   $TMPH config.mak $HAVE_LIST
2056 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2057                                       $DECODER_LIST      \
2058                                       $ENCODER_LIST      \
2059                                       $PARSER_LIST       \
2060                                       $BSF_LIST          \
2061                                       $DEMUXER_LIST      \
2062                                       $MUXER_LIST        \
2063                                       $FILTER_LIST       \
2064                                       $PROTOCOL_LIST     \
2065                                       $INDEV_LIST        \
2066                                       $OUTDEV_LIST       \
2067
2068 echo "#define restrict $_restrict" >> $TMPH
2069
2070 if enabled small; then
2071     echo "#define av_always_inline"  >> $TMPH
2072 fi
2073
2074 echo "SRC_PATH=\"$source_path\"" >> config.mak
2075 echo "SRC_PATH_BARE=$source_path" >> config.mak
2076 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2077
2078 # Apparently it's not possible to portably echo a backslash.
2079 enabled asmalign_pot &&
2080     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2081     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2082
2083 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2084
2085 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2086
2087 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2088 cmp -s $TMPH config.h &&
2089     echo "config.h is unchanged" ||
2090     mv -f $TMPH config.h
2091
2092 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2093
2094 # build tree in object directory if source path is different from current one
2095 if enabled source_path_used; then
2096     DIRS="\
2097         doc               \
2098         libavcodec        \
2099         libavcodec/alpha  \
2100         libavcodec/armv4l \
2101         libavcodec/bfin   \
2102         libavcodec/i386   \
2103         libavcodec/mlib   \
2104         libavcodec/ppc    \
2105         libavcodec/sh4    \
2106         libavcodec/sparc  \
2107         libavdevice       \
2108         libavfilter       \
2109         libavformat       \
2110         libavutil         \
2111         libpostproc       \
2112         libswscale        \
2113         tests             \
2114         tools             \
2115         vhook             \
2116         "
2117     FILES="\
2118         Makefile             \
2119         common.mak           \
2120         doc/texi2pod.pl      \
2121         libavcodec/Makefile  \
2122         libavdevice/Makefile \
2123         libavfilter/Makefile \
2124         libavformat/Makefile \
2125         libavutil/Makefile   \
2126         libpostproc/Makefile \
2127         libswscale/Makefile  \
2128         "
2129     for dir in $DIRS ; do
2130         mkdir -p $dir
2131     done
2132     for f in $FILES ; do
2133         $ln_s "$source_path/$f" $f
2134     done
2135 fi
2136
2137
2138 # build pkg-config files
2139 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2140
2141 pkgconfig_generate(){
2142 name=$1
2143 comment=$2
2144 version=$3
2145 libs=$4
2146 requires=$5
2147 cat <<EOF >$name.pc
2148 prefix=$PREFIX
2149 exec_prefix=\${prefix}
2150 libdir=\${exec_prefix}/lib
2151 includedir=\${prefix}/include
2152
2153 Name: $name
2154 Description: $comment
2155 Version: $version
2156 Requires: $requires
2157 Conflicts:
2158 Libs: -L\${libdir} $libs
2159 Cflags: -I\${includedir}
2160 EOF
2161 }
2162
2163 pkgconfig_generate_uninstalled(){
2164 name=$1
2165 shortname=${name#lib}
2166 comment=$2
2167 version=$3
2168 libs=$4
2169 requires=$5
2170 cat <<EOF >$name-uninstalled.pc
2171 prefix=
2172 exec_prefix=
2173 libdir=\${pcfiledir}/$name
2174 includedir=\${pcfiledir}
2175
2176 Name: $name
2177 Description: $comment
2178 Version: $version
2179 Requires: $requires
2180 Conflicts:
2181 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2182 Cflags: -I\${includedir}
2183 EOF
2184 }
2185
2186 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" -lavutil ""
2187 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2188
2189 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "-lavcodec $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2190 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2191
2192 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "-lavformat $extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2193 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2194
2195 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "-lavdevice $extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2196 pkgconfig_generate_uninstalled libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2197 if enabled postproc; then
2198     pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION" -lpostproc ""
2199     pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2200 fi
2201
2202 if enabled swscale; then
2203     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" -lswscale "libavutil = $LIBAVUTIL_VERSION"
2204     pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2205 else
2206     pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2207     pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2208     apply libswscale.pc sed s/^Libs:.*$/Libs:/
2209     apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2210 fi
2211
2212 if enabled avfilter; then
2213   pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "-lavfilter $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION" ffmpeg
2214   pkgconfig_generate_uninstalled libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2215 fi